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2 years ago

What is the element with 98 atomic number?!

Mathematics

1 answer:

BabaBlast [244]2 years ago

3 0

Answer:

Cf is the answer, Cf is also known as Californium.-

-Seth

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What is the equation of a circle that has a center at (-4, 10) and a radius of 8?

mars1129 [50]

Answer:

The equation of the circle is $(x + 4)^2 + (y - 10)^2 = 64$ , third option is correct.

Step-by-step explanation:

Equation of a circle:

The equation of a circle with center $(x_0,y_0)$ and radius r is given by:

$(x - x_0)^2 + (y - y_0)^2 = r^2$

Center at (-4, 10)

This means that $x_0 = -4, y_0 = 10$ .

Radius of 8:

This means that $r = 8$ . So

$(x - x_0)^2 + (y - y_0)^2 = r^2$

$(x - (-4))^2 + (y - 10)^2 = 8^2$

$(x + 4)^2 + (y - 10)^2 = 64$

The equation of the circle is $(x + 4)^2 + (y - 10)^2 = 64$ , third option is correct.

3 0

2 years ago

4(2-6x) = -80<br> pls help me

Angelina_Jolie [31]

Answer:

-3

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

PLEASE ANSWER ASAP!! e)What is the measure of ∠I? Explain

Zina [86]

Answer:

$60^{\circ}$

Step-by-step explanation:

From the given figure it is clear that the stop board is a regular hexagon and ∠I is an exterior angle of the regular hexagon.

Exterior angle of a regular polygon with n sides $=\dfrac{360^{\circ}}{n}$

In a regular hexagon number of sides: n =6

Exterior angle of a regular hexagon $=\dfrac{360^{\circ}}{6}=60^{\circ}$

Since ∠I is an exterior angle of the regular hexagon, therefore, $\angle I=60^{\circ}$ .

4 0

2 years ago

which graph represnts a line with a slope ot -2/3 and a y-intercept equal to that of the line y=2/3x-2?

tia_tia [17]

The graph will be as shown in attached figure

4 0

2 years ago

The average price of a gallon of gas increased by 12% in 2010 and by 10% in 2011. By what percentage did the average price of a

Leto [7]

Answer:

16.67% increase

Step-by-step explanation:

finding the percentage price increase

we need to find the difference in percentage price between the 2 years

12%-10% = 2%

2%/12% x 100% = 100%/6 = 16.67%

20% increase between January 1st 2010 and January 1st 2011

7 0

2 years ago